Problems from 2021 ICPC North America Regional Programming Contests (March 5 2022)

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Archery Accuracy0.01871433274%6.9Harden
Average Character0.00271821165891%2.0Easyen
Black and White0.0759218514880%4.9Mediumen
Circle Bounce0.002001018887%5.4Mediumen
Diagonals0.001853593966%7.6Harden
Dorm Room Divide0.0147625017470%6.3Harden
Double Password0.00192582241093%1.5Easyen
Fail Them All!0.008991438157%7.7Harden
Hopscotch 5000.1187817612672%7.0Harden
Overdraft0.00361300115789%2.0Easyen
Problem Set Construction0.01940513773%6.6Harden
Reversibly Cyclic Strings0.003130525885%3.3Mediumen
Rise and Fall0.008832823772%4.7Mediumen
Scaling Recipe0.003489482192%1.9Easyen
Shortest Missing Subsequences0.0939413910273%6.0Harden
Square Bounce0.00470614370%6.7Harden
Tetris Generation0.009040325964%6.2Harden
Tournament Seeding0.0122024720282%4.1Mediumen
Tree Hopping0.0289327620474%6.2Harden
Who Goes There?0.0011946637079%3.7Mediumen
XOR Island0.002791097468%6.6Harden